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Are Isotopes Half-Life 100 Years Then? [Solved]

1 Answer. Half-life (t½) is the amount of time required for a quantity to fall to half its value as measured at the beginning of the time period. In this question (t½) of isotope is 100 years, which means that after 100 years half of the sample would have decayed and half would be left as it is.3 Jul 2014

Half life | Radioactivity | Physics | FuseSchool

Half life

Half-life of Radioactive Isotopes

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The half life of a radioactive isotope ( X ) is 50 years. It deca…

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